Diesel Mechanic in Sioux Falls

Energy Jobline ZR; Sioux Falls (SD); On-site; USD 34,000 - 44,000; Full time

Benefits offered by this job

Competitive pay

Full benefits

401(k) with company match

PTO from day one

Paid holidays

Life insurance

Tuition assistance

Uniforms provided

Tool program

Boot & safety glasses reimbursement

Pet insurance

Job summary

I-State Truck Center in Sioux Falls, SD is seeking skilled Diesel Technicians with 2+ years of heavy-duty diesel repair experience. You will diagnose and repair mechanical, electrical, and hydraulic systems on heavy-duty trucks, using Cummins Insite, Detroit Diesel Diagnostic Link and OEM software.

Join a Midwest leader offering competitive pay, full benefits, 401(k), PTO from day one, holidays, and career growth opportunities in a team‑oriented shop environment.

Qualifications

• Diagnose and repair mechanical, electrical, and hydraulic issues on heavy-duty diesel trucks.
• Perform preventive maintenance including oil, brakes, inspections, and lubrication.
• Repair/replace major components such as engines, transmissions, differentials, and turbos.

Responsibilities

• Diagnose & repair mechanical, electrical, and hydraulic issues on heavy-duty diesel trucks
• Use advanced diagnostics (Cummins Insite, Detroit Diesel Diagnostic Link, OEM software)
• Perform preventive maintenance (oil, brakes, inspections, lubrication)
• Repair/replace major components (engines, transmissions, differentials, turbos)
• Complete work orders and documentation for warranty and compliance
• Communicate repairs and recommendations to customers
• Maintain a safe, clean, and organized workspace

Skills

Heavy-Duty diesel repair

Troubleshooting & diagnostics

Read schematics & manuals

CDL required

Education

ASE certification or diesel tech cert

Tools

Cummins Insite

Detroit Diesel Diagnostic Link

OEM software

Job description

Job Title: Heavy-Duty Diesel Truck Mechanic
Location: Sioux Falls South Dakota
Company: I-State Truck Center

Join a leading Midwest truck dealership and service provider.
At I-State Truck Center, we specialize in Freightliner, Detroit Diesel, Isuzu Truck, Battle Motors, and Fruehauf Trailers-and we’re looking for skilled Diesel Technicians who take pride in quality work and want to grow their careers in a stable, team-focused environment.

What You'll Do

• Diagnose & repair mechanical, electrical, and hydraulic issues on heavy-duty diesel trucks
• Use advanced diagnostics (Cummins Insite, Detroit Diesel Diagnostic Link, OEM software)
• Perform preventive maintenance (oil, brakes, inspections, lubrication)
• Repair/replace major components (engines, transmissions, differentials, turbos)
• Complete work orders and documentation for warranty and compliance
• Communicate repairs and recommendations to customers
• Maintain a safe, clean, and organized workspace

What We're Looking For

• 2+ years of heavy-duty diesel repair experience
• Strong troubleshooting and diagnostic skills
• Experience with trucks like Freightliner, Kenworth, Peterbilt, Volvo, or Mack
• Ability to read schematics and technical manuals
• Basic welding/fabrication skills ()
• Valid driver's license (CDL )
• Diesel tech certification or ASE (T2-T8) is a plus

Why Join I-State Truck Center?

• Competitive pay - paid for your experience
• Full benefits starting the 1st of the next month
• Health, Dental, Vision
• 401(k) with company match
• PTO starting day one
• Paid holidays + floating holidays
• Company-paid life & insurance
• Tuition assistance & career growth opportunities
• Uniforms provided & cleaned
• Tool program available
• Boot & safety glasses reimbursement
• Employee discounts + wellness programs
• Pet insurance

Physical Requirements

• Lift up to 75 lbs
• Work in shop and outdoor conditions
• Perform physically active tasks throughout the shift

About Us

I-State Truck Center is part of Interstate Companies-committed to delivering best-in-class service to fleets, owner-operators, and businesses across the Midwest.

Interstate Companies is an Equal Opportunity Employer and proudly supports Military-Friendly hiring.

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